Bluetooth speaker with Micro SD card slot 

1) Bluetooth Version:5.0 
2) Loudspeaker output: 3W 
3) Play time: about 4 Hours 
4) Charging time: about 2-3 Hours 
5) ABS+BAMBOO 
6) 1 Micro usb input 
7) Micro USB charging cable 
8) Neutral English user manual 
9) Craft paper box with black imprint 
10)Battery:300mAh 
11)Size:58*58*52mm 
12)Color: Bamboo+Grey colour